The Family Handyman on MSN1 年
How to Ground an Ungrounded Outlet
If your home was built before the 1960s, you might still have some old two-prong ungrounded outlets. The correct name for an ...
If you have a modern power cord going into an older outlet, you may wonder if using a three-prong plug with a missing ground post is safe. It is generally unsafe to use an adapter or to alter the ...